Cloud Print Service Policy Authorization
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Solution Overview
Problem
Existing policy-based printing systems are limited to closed private domain environments, making it difficult for users, such as on-the-go professionals, to access and print documents in public locations where policy-based printing is not supported, leading to unreliable access to printing data.
Innovation Solution
A cloud-based public print service that receives print job requests, determines the user's organization domain, applies policies, and checks remaining credit values to authorize print jobs, allowing users to print documents across various public printing devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If policy-based printing is implemented in a closed private domain environment, then security and policy control are improved, but accessibility and usability for users in public locations deteriorate
Solution Approach 1:
A cloud-based public print service acts as an intermediary between users in public locations and the private domain printing system. The service receives print requests from public locations, applies policy-based authorization by determining user domain and checking credentials, then forwards approved requests to the private domain printing infrastructure, thereby enabling secure access from public locations while maintaining policy control
Solution Approach 2:
The printing system is segmented into separate functional components: a public-facing cloud service that handles request intake and policy verification, and a private domain printing infrastructure that executes approved print jobs. This segmentation allows the system to serve both public accessibility needs and private security requirements simultaneously
2Adaptability or versatility
If cloud-based public print service is implemented, then accessibility for users in public locations is improved, but system complexity increases
Solution Approach 1:
The cloud-based public print service is designed as a universal platform that can serve multiple users, organizations, and public locations through a single system infrastructure. It handles diverse print requests from different domains while applying appropriate policies, eliminating the need for separate printing systems at each public location and reducing overall system complexity
3Reliability
If domain-based policies and credit checks are applied, then security and cost management are improved, but processing time increases
Solution Approach 1:
The cloud-based public print service performs domain determination and policy verification in advance, before the actual printing process begins. By pre-checking user credentials, determining domain affiliation, and validating credit availability upfront, the system ensures security and cost control are maintained while minimizing delays during the actual print execution
Data Source
AI summary
A policy-based system is implemented to allow access to a private domain to print using a public domain. The private domain includes private servers that store documents. The public domain includes servers and a printing device. A public policy server uses a domain list and a protocol connection with a private authentication server to validate a user and identify which private domain to access. The public policy server receives requests from the printing device to process a print job of a document in the private domain. The policy-based system also determines whether printing operations for a document are allowed for a public print service using remaining credit values and the policy.